
Altaterra Skylight (Velux Group)
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Altaterra Skylights are part of the VELUX Group and are produced in the same state-of-the-art facility. While VELUX is widely recognized for its premium roof windows, Altaterra was established to make access to natural light and fresh air more affordable, helping more households experience enhanced comfort and healthier living environments.
The latest range of Altaterra Skylights combines improved performance with a sleek, modern design, building on the trusted legacy of the VELUX brand. Prioritizing innovation and quality, these roof windows are designed to meet the demands of contemporary homes with enhanced functionality.
The collection features a variety of finishes to complement any interior design. Choose natural pine for timeless warmth, crisp white paint for a modern touch, or moisture-resistant PVC, perfect for kitchens, bathrooms, or other humid spaces.
The center-pivot design optimizes both natural light and ventilation. With sizes ranging from 550mm x 780mm to 1140mm x 1180mm, the Altaterra Skylights range offers versatile options to suit a wide array of building projects.
Control sunlight and privacy by pairing your skylights with Altaterra blinds, available in a wide selection of colours to match your décor.
Every Altaterra window comes with a 10-year warranty when installed with official Altaterra flashing kits ensuring reliable performance and long-term peace of mind.
The key measurement to focus on is the exact size of your structural opening
Measurements on the website drop down menu are width x length. It is important that you leave a 10mm tolerance gap all the way around the window when measuring and installing.
The structural opening should be 22.5mm bigger than the rooflight size ordered on all sides.
For example, if you order a 55x78cm window, the opening should be 59.5cmx82.5cm.
A= Overall Width +45mm tolerance
B= Overall Length +45mm tolerance
PFD Fitting guide can be downloaded below. Each rooflight will be delivered with a fitting guide:
Flashing Kit:
SLATE FLASHING 0-16mm-SFX WL
TILE FLASHING 16-50mm -TFX WL
UNIVERSAL FLASHING 16-120mm-UFX WL
PLAIN TILE FLASHING 0-28MM-TFP WL
Flashing Kits

Roof Window Type
Flashing Kits

Each flashing kit selected has a unique video installation guide suited to the Flashing kit selected these can be found on the designated links below.
UNIVERSAL FLASHING 16-120mm-UFX WL
PLAIN TILE FLASHING 0-28MM-TFP WL (LEAD TIME)
Blackout Blinds Colour Swatch

FAQs
-Standard lead times are 2-3 working days on all products and flashing kits except for the below
Roof Window type:
All Altaterra roof windows 2-3 working days except for longer lead time items below:
PVC Roof Window 3 pane APYB1500- 12- 15 working days lead time.
Warranty
The Altaterra Skylights is supplied with a 10 year manufacturer’s warranty when installed with official Altaterra Skylights flashing kit.